There are new details on the fire that happened earlier this month at an Elk County paper mill.The State Police released the findings from a State Fire Marshall investigation into what caused the blaze at Domtar Paper Company in Johnsonburg.Investigators say the fire is not suspicious but they are still not sure what sparked it.The crews that battled the flames inside a tunnel for more than twenty hours but the fire was not considered completely put out until yesterday, twelve days after it started.